| article html file updated | 8 February 2020 00:20 CET | Update | https://www.mdpi.com/2073-4352/7/3/67 |
| article html file updated | 23 September 2019 13:19 CEST | Update | - |
| article html file updated | 4 May 2019 09:15 CEST | Update | - |
| article html file updated | 28 March 2017 09:04 CEST | Update | - |
| article html file updated | 27 February 2017 09:39 CET | Original file | - |
| article xml uploaded. | 27 February 2017 09:38 CET | Original file | https://www.mdpi.com/2073-4352/7/3/67/xml |
| article pdf uploaded. | 27 February 2017 09:38 CET | Version of Record | https://www.mdpi.com/2073-4352/7/3/67/pdf |
